[logback-user] how to disable such logeger: LoggerFactory.getLogger("<< " + name + " >>");

[Juraj Petko]

hello, how could i set logging level to ERROR for such an logger:
LoggerFactory.getLogger("<< " + name + " >>");

tried this in logback.xml, but doesn't work:

<logger name="&lt;&lt;">
<level value="ERROR" />
</logger>

thanks a lot, j